baber/WOPTO huggingface dataset:
Patent GB-631580-A (GB)
Title: Improvements relating to electric engine-starting motors
IPC: F02N99/00
Filed: 1947-12-30
Abstract: 631,580. Turning-gear. C. A. V., Ltd., and PARSONS, S. F. H. Dec. 30, 1947, No. 34591. Addition to 560,125. [Class 7 (v)] In a modification of the invention of the parent Specification a casing part is provided with which the friction-brake element co-operates when the axially-slidable part is in its retracted position. The sleeve c carrying the pinion d is slidably mounted upon the outer end of the armature spindle a and is connected to the latter by a multiplate friction clutch, one part being secured to the spindle a and the other part g having a splined connection with the sleeve c. The part g has a threaded connection with a ring h, which latter, upon rotation of the spindle a, exerts axial pressure on the clutch plates j. The sleeve is moved axially by a solenoid-actuated lever m. Behind the pinion d is attached one element p of the friction brake, which in the retracted position of the pinion bears against the other brake element q forming part of the starter casing. A disc r of friction material is provided between the elements p and q, which disc may be carried by either element. The elements may be disc shaped or of shallow-conical form.
Patent GB-642774-A (GB)
Title: A crankshaft for internal combustion engines
IPC: F16C3/12
Filed: 1947-12-30
Abstract: 642,774. Crankshafts. MOTOR CAR WORKS, NATIONAL CORPORATION. Dec. 30, 1947, No. 34648. Convention date, Aug. 4,1941. [Class 80(ii)] In a built-up crankshaft utilizing ball or roller bearings the crank webs, on one (Fig. 3, not shown) or, as shown, both sides of each connecting rod bearing seating 2, Fig. 1, are divided into two co-acting portions 1, 3, Fig. 4, of which one portion 3 is so profiled that the bearing for the contiguous connecting rod seating can be passed over it into position. The portions 1, 3 are each connected by a lateral rib 6 and groove 7 and a centring pin 4 is provided which may be extended as shown in Fig. 4 to take a clamping nut, or the portions may be drawn together by bolts 9. The portion 1 forms a main bearing seating, and both the seatings 1, 2 may serve as actual inner bearing races.
Patent GB-441539-A (GB)
Title: Improvements in, or relating to, release mechanism for automatic electric switches or circuit breakers
IPC: H01H71/10
Filed: 1934-05-28
Abstract: 441,539. Electrically-released switches. SCHIELE & BRUCHSALERINDUSTRIEWERKE AKT. - GES., Baden Baden, BESAG, E., 37, Gunzenbachstrasse, Baden Baden, Germany, and CRABTREE & CO., Ltd., J. A., Lincoln Works, Walsall, Staffordshire. May 28, 1934, No. 34806 /35. Divided out of 439,242 under which a Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 27, 1934. [Class 38 (v)] In thermally-released overload circuitbreakers, particularly for motor protection, two alternativelyavailable pairs of terminals and two sets of trip - controlled contacts complementary to the terminals are provided and arranged so that either one or the other pair may be connected in the operating-magnet circuit according to whether a momentary or permanent break in the circuit is required. A standardized construction of switch may thus be provided to meet the cases where control of a motor is with an operator or is automatically. effected by an auxiliary switch. An insulating member 8 actuated by the thermal elements at a certain temperature strikes the end 6 of a trip lever which is pivoted at 7 to one limb of a bimetal compensating strip 1, the other end of which is carried on a bell-crank lever 3 freely mounted on a pivot 2. A spring 4 anchored between the lever 3 and a catch 17, pivoted at 18, urges the lever 3 against a stop 5 so that a contact 13 engages a contact 14 connected to a terminal 19, and the catch 17 is held by a nose on lever 3 so that a contact 16 engages a contact 15 connected to terminal 20. When 8 strikes 6, 13 moves away from 14 and the catch 17 is rotated about 18 by the spring 4 to separate 16 from 15. When a momentary break is desired, the terminal 19 and terminal bar 11 are connected in the operating-magnet circuit, so that the contacts 13, 14 reclose automatically when the release elements cool down. Restarting of the motor is then effected by operation of a " start-andstop " control. If a permanent break in the operating-magnet circuit is desired, terminal 20 and bar 11 are employed, and resetting is effected by operation of a lever carried on spindle 18 and accessible from outside the casing. To adjust the trip point, the lever 6 has a pin-and-slot connection with an arm 9 fast on the pivot 2 which is mounted in the terminal bar 11. In order to prevent rotation of 2, 9 when a trip action is in progress, but yet allow manual movement of 9, a pin is pushed through the pivot 2 at right angles to it and a flat spring bears on the pin and on the bar 11 to provide the necessary friction.
Patent GB-1333908-A (GB)
Title: Ball-screw actuator
IPC: F16H25/20
Filed: 1972-07-26
Abstract: 1333908 Screw-and-nut actuators UNITED AIRCRAFT CORP 26 July 1972 [16 Sept 1971] 34856/72 Heading B8J A ball screw actuator 10 comprises an elongated rotating nut 12 carried by bearings 16 threadedly engaged by ball-bearings (22), Fig. 6 (not shown), with non-rotating screw 26. A snubber shaft 28 is coaxially mounted within the screw 26 to move therewith though it can slide relative thereto through spline 50 engaging spline 52 formed on hollow shaft 54 attached to elastomer snubber 66 attached to screw 26 (see Specification 1,333,909). The shaft 28 is loaded by a spring 56 lighter than a spring 46 loading a plunger 38. A solenoid 32 operates a plunger 34 to engage the end of plunger 38 (in the position shown in Fig. 3) so that tangs 30 on the snubber shaft 28 only engage stop 48 on the nut 12 when the end 62 of the screw 26 engages the tangs 30 and compresses the spring 44 (the spring 56 being too weak to prevent this). This gives the fully retracted position of the actuator 10, the snubber 66 absorbing the torsional energy. In the position shown in Fig. 5 the solenoid 32 is deactivated so that the plunger 34 is retracted. The force of spring 44 now has no effect on the spring 56 which causes the tangs 30 to engage the stop 48 in the position shown, which is less than full retraction, the snubber 66 again absorbing the torsional energy. Fig. 6 (not shown), illustrates the fully extended position of the actuator 10, wherein the tangs 30 engage a further stop (70) at the other end of the nut 12, the snubber 66 again absorbing the torsional energy.
Patent GB-197641-A (GB)
Title: Improvements in mechanically operated hammers
IPC: B21J7/12
Filed: 1922-12-21
Abstract: 197,641. Schmidt & Co., R. May 15, 1922, [Convention date]. Power hammers.-The tup-guides 7 of a mechanically-operated hammer are inclined to the vertical in order to keep the tup 6 always in contact with one face thereof and avoid knocking. The anvil 8 or its face only is also correspondingly inclined to the horizontal or the whole machine may be inclined.
Patent GB-1360815-A (GB)
Title: Process for copolymerizing monoalkenically unsaturated compounds
IPC: C08F4/00
Filed: 1971-07-26
Abstract: 1360815 Anionic polymerization catalyst STAMICARBON NV 26 July 1971 [31 July 1970 (2)] 34882/71 Heading C3P Copolymerization of two or more anionically polymerizable monoalkenically unsaturated monomers (other than t-alkyl acrylates), at least one of which is a mono-alkenyl aromatic compound, is effected in the presence of catalyst comprising an anionic initiator which is an organosodium or organolithium compound and a catalyst which has oxidizing properties towards the anionic initiator (other than a titanium tri- or tetra-halide) and is not capable of generating protons or initiating free-radical polymerization under the polymerization conditions. The reaction may be carried out in a non-polar solvent or in a polar medium such as tetrahydrofuran, dimethylsulphoxide, pyridine or hexanethyl phosphoramide. Examples describe copolymerization of styrene or vinyltoluene with acrylonitrile, methacrylonitrile or methyl methacrylate using sec-butyllithium or sodium caprolactam as the initiator. The exemplified co-catalysts are the di-isopropylsalicylate complexes of Cu(II), Ce(IV), Cr(III) and Fe(III), acetylacetonates of Fe(III) and Zr(IV), uranyl acetate, quinone, K 2 Cr 2 O 7 , KMnO 4 , cobalt (III) stearate, SnCl 4 , VOCl 3 , MoCl 5 , PCl 5 , SbCl 5  and I 2 . The process may be used to prepare a block polymer by using the anionic initiator to form a polymer block of a first monomer, e.g. isoprene, and then adding the co-catalyst and monomers, e.g. styrene and acrylonitrile, to form a copolymer block by the process according to the invention.
Patent GB-1517382-A (GB)
Title: Solid diffusion sources for phosphorus doping
IPC: C04B38/06
Filed: 1975-08-22
Abstract: 1517382 Phosphorus source body CARBORUNDUM CO 22 Aug 1975 [26 Aug 1974] 34890/75 Heading C1A [Also in Division H1] A solid body containing phosphorus for semiconductor diffusion doping consisting of 5-95 weight per cent SiP 2 O 7  and 95-5 weight per cent of ZrP 2 O 7  may be made by forming a blend of the above composition, adding a volatilizable organic binder, cold-pressing at 4000-20,000 psi and firing at 1080-1200C to form a porous body.
Patent GB-486611-A (GB)
Title: Improvements in the manufacture of artificial resins
IPC: C08G12/08
Filed: 1936-12-19
Abstract: The resinous reaction product obtained by admixing an aldehyde with an aromatic amine in acidic medium is subjected after neutralization of the acid and washing to heating in a liquid medium in which the reaction product is substantially insoluble. Suitable liquid media include water, alcohols, hydrocarbons, ethers and oils.
Patent GB-162265-A (GB)
Title: Time piece with advertisements
IPC: G09F23/16
Filed: 1920-12-13
Abstract: 162,265. Daiber, C. April 19, 1920, [Convention date]. Clocks combined with advertising-apparatus; winding-apparatus, electric.-Relates to devices of the type in which a clock is combined with a series of glass plates, &c., bearing advertisments and the like, carried by an endless chain or chains, &c., driven by a motor which is started and stopped at determined intervals by a contact lever operated by the clock. The mechanism for starting and stopping the motor 7 comprises a wheel 19 driven by the clock at the rate of one revolution per diem, the wheel 19 having on one side a ring divided by gaps 20, 21 into two portions 23, 24 of different depths. A pivoted lever 26 which makes and breaks the motor circuit at 50 is provided with a spring 29 which tends to turn it to break circuit and with a pin 28 and a spring 30 which is able to overcome the spring 29. The spring 30 rides on the outside of the deeper portion 23, which acts as the night path, and does not touch the shallower day portion 24. The pin 28 is long enough to reach both portions 23, 24, and rides on the inside of the night portion 23, thus breaking the motor circuit, and on the outside of the day portion 24, thus making the circuit. The spring 30 effects the transference of the pin through the gap 21 from the inside of the portion 23 to the outside of the portion 24, and the spring 29 returns it through the gap 20. The clock is wound up at, say, weekly intervals by a stud 33 on the chain 4 which raises at every revolution of the chain a lever 34 pivoted at its upper end, and through linkwork lifts a lever 36 and stretches a spring 37. The lever 36 pivots about a ratchet-wheel 40 which when operated winds the clock, a pawl 38 being provided on the lever 36 for actuating the wheel 40 but being normally pressed away therefrom bv a spring 39, so that the lever 36 rises and falls idly. The spring 39 is, however, overcome at intervals by a spring 48 pressed against the pawl 38 by a bell-crank 46 actuated by a cam 43 turned by a toothed wheel 42 rotated by a projection 41 on the end of the portion 28. The stretched spring 37 in retracting winds the clock, and when the latter is sufficiently wound, the spring 37 remains temporarily stretched.
Patent GB-831257-A (GB)
Title: Stable irradiated polyethylene
IPC: C08L23/02
Filed: 1957-11-12
Abstract: Polyethylene is rendered stable toward oxygen or air by treating it with high energy irradiation and then heating the irradiated polyethylene to a less crystalline state.  The process may be applied to the treatment of pipes, tapes and insulating coatings of high-density polyethylene, which may contain a filler such as carbon black, silica, alumina or a silicate, or a stabilizer such as di-b -naphthyl-p-phenylenediamine. Specifications 713,081 and 773,529 are referred to.ALSO:Polyethylene is rendered stable toward oxygen or air by treating it with high-energy irradiation and then heating the irradiated polyethylene to a less crystalline state.  The process may be applied to the treatment of pipes, tapes and insulating coatings of high-density polyethylene, which may contain a filler such as carbon black, silica, alumina or a silicate, or a stabilizer such as di - b  - naphthyl - p - phenylenediamine. Specifications 713,081 and 773,529 are referred to.
Patent GB-453418-A (GB)
Title: Improvements in walls
IPC: E04B2/74
Filed: 1934-12-08
Abstract: 453,418. Walls; slabs; door - frames. LEVENE, L. L., 228, Frankel Boulevard, Merrick, Long Island, New York, U.S.A. Dec. 8, 1934, No. 35371. Convention date, Dec. 9, 1933. [Classes 20 (iii), 20 (iv), and 87 (i)] A wall comprises slabs, each of which is moulded in a peripheral frame member having its edges formed with a protruding portion of less thickness than the slab, and clips for clamping together the protruding portions of contiguous assembled slabs. Each slab, which consists of gypsum, is provided at its edges with a channel-shaped metal frame 4<a>, as shown in Fig. 2, having a protruding portion 4<b> extending continuously and centrally along the base of the channel. The wall shown in elevation in Fig. 1 comprises main slabs 3, 4, 7, 8, a door 2, and a slab 6 above the door, horizontal and vertical I- beams 11, 12, 13 being arranged between the adjacent slabs. The adjacent horizontal edges of the slabs 3, 4 are connected by clips 9<a>, 9<b>, as shown in Fig. 3, the ends of which are clamped over the protruding portions 4b of the frames 4<a> by bolts or studs 10<a>, 10<b>. The horizontal I-beam 11 provided between the slabs 3, 4 is secured between central off-set portions of the clips 9<a>, 9<b>. The space between the slabs and over the I-beam 11 is closed by fillers 20, 21, and the joints are filled with gypsum cement. The lower wall slab 4 is received between spaced concrete members 14, 15, Fig. 3, and is mounted upon a support 16 disposed on levelling shims 17. The upper Wall slab 3 is secured by clips 18 to a ceiling member in the form of a metal channel 19 having a central projection 19<a>, and the space between the upper edge of the slab and the ceiling member is filled by members 22, 23, 36. The door frame 2<a>, Fig. 2, is provided along its side and upper edges with a metal channel member 2b having a central protruding portion 2<c>. The wall slabs on each side of the frame are secured to the projection 2<c> by clips 24, which are similar to the clips 9<a>, 9<b>, and the vertical I-beam 13 is secured in place between the clips. The vertical edges of the slabs 3, 4 adjacent the end wall 34 are secured to a frame 27 by clips 28, Fig. 2, which clamp the I -beam 12 in place. A channel member 29 is secured to the wall 34, and vertical filler members 30, 31 are provided between the frame members 27, 29. Filler members 37, 38 are provided between the I- beams 12, 13 and the adjacent slabs, and the flanges of these beams are also covered by members 25, 26.
Patent GB-1174454-A (GB)
Title: Improvements in or relating to the Flexible Electrical Connections used in or on Electro-Chemical Machining Equipment and the Like.
IPC: H01B7/00
Filed: 1967-08-01
Abstract: 1,174,454. Couplings. HEAD BRAIDING Ltd., and J. ARMSTRONG. 30 July, 1968 [1 Aug., 1967], No. 35383/67. Heading H2E. [Also in Division H1] Current connections in electrochemical machining equipment comprise braided wires 1 in synthetic organic plastics insulating material 5, e.g. P.V.C. The braiding 1, of copper, is formed as a tube of coaxial layers of multiplait brading, and may then be pressed flat into strip-form. Copper ferrules 2 are soldered or crimped to the ends of the connector or alternatively, the ends are soldered to form solid portions. The sheath 5 is bonded to the ends, part of it being removed for electrical connection.
Patent GB-656884-A (GB)
Title: Improvements in card index systems
IPC: B42F17/00
Filed: 1947-12-31
Abstract: 656,884. Filing papers. KAPOSI, C. Dec. 31, 1947, No. 35436. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 31, 1947.] [Class 146 (i)] A card-index system comprising cards 1 arranged in groups in a casing 14 between rigid spacers 4 which rock about axes 9 on bearing means 11 in the casing, the cards 1 being maintained in overlapping relation by means' of tongues 2 on the cards engaging between bars 3 on the bottom of the casing, has the axes 9 located in the same horizontal plane as the actual bearing points of the cards. The spacers 4 have hinge rods 9 which engage openings in angle bars 11 and are provided at the top with a reinforcement such as a folded metal sheet or an angled bar so that it provides a spacing between successive spacers to allow for the thickness of a group of cards 1. A reference indicator 8 may slide between the spacer top and the reinforcement. The Specification as open to inspection under Sect. 91 comprises also a spacer having a curved or triangular shaped lower end with spaced holes to position the cards 1 in overlapping formation, the group of cards being removable with the spacer. In a modification, the card tongues fit in holes in spacer members fitting into the curved lower end of the spacer. The Specification further comprises a suspension folder device which acts as a spacer for cards and has a bar near the bottom of the folder with holes for the card tongues 2, the spacer having no hinge pins 9 but suspension bars by which it can slide on horizontal rails. This subject-matter does not appear in the Specification as accepted.
Patent GB-339462-A (GB)
Title: Improvements relating to steam prime mover systems
IPC: F01K7/02
Filed: 1929-11-20
Abstract: 339,462. Petty, T., and Richardsons, Westgarth, & Co., Ltd. Nov. 20, 1929. Steam-supply, methods of.-In a steam installation comprising a prime mover and steam consuming auxiliaries or other units, the exhaust steam from the auxiliaries is dried and superheated in the uptake of the steam generator, and is then admitted to an intermediate stage of the prime mover. As shown in the Figure, the exhaust steam from the engines driving at 1 a water pump, at 2 a steering gear, at 3 a dynamo, and at 4 a forced draught fan passes into a common main, and then through a grease separator 5 and superheaters 6 to a pipe 7 which admits it to an intermediate stage of the prime mover. The prime mover may be a reciprocating engine or a turbine, and tapped steam may be taken at intermediate points 8, 9, for heating feedwater. Modifications in the lay-out of the superheaters and feedwater heaters are described.
Patent GB-1269943-A (GB)
Title: Improvements in and relating to ovens
Inventor: KINSEY HAROLD LYNDALL
IPC: A21B1/02
Filed: 1968-07-26
Abstract: 1,269,943. Baking ovens. THOMAS COLLINS & CO. BRISTOL Ltd. 17 March, 1969 [26 July, 1968], No. 35711/68. Heading A2A. A baking oven comprises a heating chamber 14 having a number of superimposed endless conveyors 19a-19f for conveying the goods to be baked and pairs of air ducts 15a 15b, one duct of each pair at each side of the chamber 14, communicating therewith through perforations 17 in the side walls 14a 14b of the chamber so that hot air is circulated by fan 18 through ducts 15a, through chamber 14 and through ducts 15b back to the fan. The chamber may be made up of a number of sections, the entry and exit sections not being provided with hot air circulation means. The apparatus may comprise one or more fans and heaters. The air flow in the chamber may be in opposite directions in different zones. The runs of the conveyors are supported by brackets or shelves 20, 21. The heating means (e.g. electric, oil or gas) may be positioned at any point in the air path.
Patent GB-908750-A (GB)
Title: Improvements in nuclear magnetic resonance spectrometry
IPC: G01R33/38
Filed: 1960-10-19
Abstract: 908,750. Gyromagnetic resonance testing. TRUB, TAUBER & CO. A.G. Oct. 19, 1960 [Nov. 5, 1959], No. 35810/60. Class 37. In an apparatus for the determination of a high - resolution nuclear - magnetic - resonance spectrum, an internal standard, which may be the solvent or a substance added, is used for stabilizing the magnetic field and for calibration of the spectrum. The magnets M which may be permanent or electromagnets and between which the sample P is subjected to an alternating field from a transmitter S, are provided with coils A and B, the former of which are responsive to changes of flux and the latter of which respond to the output from a magnetic stabilizer MS controlled by signals induced in the coils A by flux changes. The amplified and detected signal from the resonant sample is split into a dispersion signal and an absorption signal by phase-sensitive detectors PDII and PDI, and the former, the waveform of which in respect to the field strength is shown in Fig. 2, is used to apply an additional control to the stabilizer, error signals being developed between points B and C of the curve. The absorption signal may be displayed on an oscilloscope and side-band techniques may be employed. A limit of 10% of added sample is referred to but the use of less than 5% with a heavily fed-back amplifier in the stabilizer, is also mentioned. The dispersion signal is integrated in the stabilizer to prevent sudden reversal of the error signal if the error should take the working point beyond the peaks at B and C. The use of a linear frequency sweep of the transmitter is stated to be preferable. Specification 834,119 is referred to.
Patent GB-463107-A (GB)
Title: Method of fabricating casing structures of shock absorbers
IPC: F16F9/14
Filed: 1935-07-16
Abstract: 463,107. Shock - absorbers; making engine &c. cylinders. TRIGGS, W. W. (Pennington Engineering Co.) July 16, 1935, No. 35815/36. Divided out of 460,020. [Class 108 (iii)] [Also in Group XXII] An oscillating-vane shock-absorber having (a) front and rear plates 1, 3 to engage the sides of the vane and a shaft aperture in at least one of the plates, (b) an intermediate member 2 having opposed coaxial internal curved surfaces 2a, 2b for engaging the hub and outer periphery of the vane and plane surfaces for engaging the plates 1, 3, and (c) dowel-pins 5 for maintaining alignment of and securing together the various parts, is constructed by forming the curved surfaces 2a, 2b of the intermediate member and the bearing aperture or apertures of the front and rear plates, securing the three parts together with the axes of the bearing aperture or apertures in alignment with the axis of the curved surfaces 2<a>, 2b, and, while the three parts are so secured, accurately forming the dowel holes in all three parts. As described, the dowel holes are first drilled about <1>/32" undersize in the plates 1, 3 and member 2 and the parts are then secured together by mounting them on an assembly plug similar to the combined vane and shaft of the shock-absorber, except that the vane part is made so as to fit the working chamber more accurately than the vane proper. The parts are brought into alignment by inserting a pin through one of the sets of holes and then, while the parts are rigidly clamped together the holes are reamed to their finished size prior to the insertion of the pins. Screws 4 engaging tapped holes in the plate 1 may also be used to clamp the parts together.